- wsa_init_done=1;
- wVerReq = MAKEWORD( 2, 0 );
- err = WSAStartup(wVerReq,&wsaData);
- if (err != 0)
- {
- BIO_printf(bio_err,"unable to start WINSOCK2, error code=%d\n",err);
- return(0);
- }
- }
-#endif /* OPENSSL_SYS_WINDOWS */
- return(1);
- }
-
-int init_client(int *sock, const char *host, int port, int type)
- {
- unsigned char ip[4];
-
- ip[0] = ip[1] = ip[2] = ip[3] = 0;
- if (!host_ip(host,&(ip[0])))
- return 0;
- return init_client_ip(sock,ip,port,type);
- }
-
-static int init_client_ip(int *sock, const unsigned char ip[4], int port,
- int type)
- {
- unsigned long addr;
- struct sockaddr_in them;
- int s,i;
-
- if (!ssl_sock_init()) return(0);
-
- memset((char *)&them,0,sizeof(them));
- them.sin_family=AF_INET;
- them.sin_port=htons((unsigned short)port);
- addr=(unsigned long)
- ((unsigned long)ip[0]<<24L)|
- ((unsigned long)ip[1]<<16L)|
- ((unsigned long)ip[2]<< 8L)|
- ((unsigned long)ip[3]);
- them.sin_addr.s_addr=htonl(addr);
-
- if (type == SOCK_STREAM)
- s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
- else /* ( type == SOCK_DGRAM) */
- s=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP);
-
- if (s == INVALID_SOCKET) { perror("socket"); return(0); }
-
-#if defined(SO_KEEPALIVE)
- if (type == SOCK_STREAM)
- {
- i=0;
- i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
- if (i < 0) { closesocket(s); perror("keepalive"); return(0); }
- }
-#endif
-
- if (connect(s,(struct sockaddr *)&them,sizeof(them)) == -1)
- { closesocket(s); perror("connect"); return(0); }
- *sock=s;
- return(1);
- }
-
-#ifndef NO_SYS_UN_H
-int init_client_unix(int *sock, const char *server)
- {
- struct sockaddr_un them;
- int s;
-
- if (strlen(server) > (UNIX_PATH_MAX + 1)) return(0);
- if (!ssl_sock_init()) return(0);
-
- s=socket(AF_UNIX, SOCK_STREAM, 0);
- if (s == INVALID_SOCKET) { perror("socket"); return(0); }
-
- memset((char *)&them,0,sizeof(them));
- them.sun_family=AF_UNIX;
- strcpy(them.sun_path, server);
-
- if (connect(s, (struct sockaddr *)&them, sizeof(them)) == -1)
- { closesocket(s); perror("connect"); return(0); }
- *sock=s;
- return(1);
- }
-#endif
-
-int do_server(int port, int type, int *ret,
- int (*cb)(char *hostname, int s, int stype, unsigned char *context),
- unsigned char *context, int naccept)
- {
- int sock;
- char *name = NULL;
- int accept_socket = 0;
- int i;
-
- if (!init_server(&accept_socket,port,type)) return(0);
-
- if (ret != NULL)
- {
- *ret=accept_socket;
- /* return(1);*/
- }
- for (;;)
- {
- if (type==SOCK_STREAM)
- {
-#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
- if (do_accept(accept_socket,&sock,NULL) == 0)
-#else
- if (do_accept(accept_socket,&sock,&name) == 0)
-#endif
- {
- SHUTDOWN(accept_socket);
- return(0);
- }
- }
- else
- sock = accept_socket;
- i=(*cb)(name,sock, type, context);
- if (name != NULL) OPENSSL_free(name);
- if (type==SOCK_STREAM)
- SHUTDOWN2(sock);
- if (naccept != -1)
- naccept--;
- if (i < 0 || naccept == 0)
- {
- SHUTDOWN2(accept_socket);
- return(i);
- }
- }
- }
-
-#ifndef NO_SYS_UN_H
-int do_server_unix(const char *path, int *ret,
- int (*cb)(char *hostname, int s, int stype, unsigned char *context),
- unsigned char *context, int naccept)
- {
- int sock;
- int accept_socket = 0;
- int i;
-
- if (!init_server_unix(&accept_socket, path)) return(0);
-
- if (ret != NULL)
- *ret=accept_socket;
- for (;;)
- {
- if (do_accept_unix(accept_socket, &sock) == 0)
- {
- SHUTDOWN(accept_socket);
- i = 0;
- goto out;
- }
- i=(*cb)(NULL, sock, 0, context);
- SHUTDOWN2(sock);
- if (naccept != -1)
- naccept--;
- if (i < 0 || naccept == 0)
- {
- SHUTDOWN2(accept_socket);
- goto out;
- }
- }
-out:
- unlink(path);
- return(i);
- }
-#endif
-
-static int init_server_long(int *sock, int port, char *ip, int type)
- {
- int ret=0;
- struct sockaddr_in server;
- int s= -1;
-
- if (!ssl_sock_init()) return(0);
-
- memset((char *)&server,0,sizeof(server));
- server.sin_family=AF_INET;
- server.sin_port=htons((unsigned short)port);
- if (ip == NULL)
- server.sin_addr.s_addr=INADDR_ANY;
- else
-/* Added for T3E, address-of fails on bit field (beckman@acl.lanl.gov) */
-#ifndef BIT_FIELD_LIMITS
- memcpy(&server.sin_addr.s_addr,ip,4);
-#else
- memcpy(&server.sin_addr,ip,4);
-#endif
-
- if (type == SOCK_STREAM)
- s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
- else /* type == SOCK_DGRAM */
- s=socket(AF_INET, SOCK_DGRAM,IPPROTO_UDP);
-
- if (s == INVALID_SOCKET) goto err;
-#if defined SOL_SOCKET && defined SO_REUSEADDR
- {
- int j = 1;
- setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
- (void *) &j, sizeof j);
- }
-#endif
- if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)
- {
-#ifndef OPENSSL_SYS_WINDOWS
- perror("bind");
-#endif
- goto err;
- }
- /* Make it 128 for linux */
- if (type==SOCK_STREAM && listen(s,128) == -1) goto err;
- *sock=s;
- ret=1;
-err:
- if ((ret == 0) && (s != -1))
- {
- SHUTDOWN(s);
- }
- return(ret);
- }
-
-static int init_server(int *sock, int port, int type)
- {
- return(init_server_long(sock, port, NULL, type));
- }
-
-#ifndef NO_SYS_UN_H
-static int init_server_unix(int *sock, const char *path)
- {
- int ret = 0;
- struct sockaddr_un server;
- int s = -1;
-
- if (strlen(path) > (UNIX_PATH_MAX + 1)) return(0);
- if (!ssl_sock_init()) return(0);
-
- s=socket(AF_UNIX, SOCK_STREAM, 0);
- if (s == INVALID_SOCKET) goto err;
-
- memset((char *)&server,0,sizeof(server));
- server.sun_family=AF_UNIX;
- strcpy(server.sun_path, path);
-
- if (bind(s, (struct sockaddr *)&server, sizeof(server)) == -1)
- {
-#ifndef OPENSSL_SYS_WINDOWS
- perror("bind");
-#endif
- goto err;
- }
- /* Make it 128 for linux */
- if (listen(s,128) == -1)
- {
-#ifndef OPENSSL_SYS_WINDOWS
- perror("listen");
-#endif
- unlink(path);
- goto err;
- }
- *sock=s;
- ret=1;
-err:
- if ((ret == 0) && (s != -1))
- {
- SHUTDOWN(s);
- }
- return(ret);
- }
-#endif
-
-static int do_accept(int acc_sock, int *sock, char **host)
- {
- int ret;
- struct hostent *h1,*h2;
- static struct sockaddr_in from;
- int len;
-/* struct linger ling; */
-
- if (!ssl_sock_init()) return(0);
-
-#ifndef OPENSSL_SYS_WINDOWS
-redoit:
-#endif
-
- memset((char *)&from,0,sizeof(from));
- len=sizeof(from);
- /* Note: under VMS with SOCKETSHR the fourth parameter is currently
- * of type (int *) whereas under other systems it is (void *) if
- * you don't have a cast it will choke the compiler: if you do
- * have a cast then you can either go for (int *) or (void *).
- */
- ret=accept(acc_sock,(struct sockaddr *)&from,(void *)&len);
- if (ret == INVALID_SOCKET)
- {
-#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
- int i;
- i=WSAGetLastError();
- BIO_printf(bio_err,"accept error %d\n",i);
-#else
- if (errno == EINTR)
- {
- /*check_timeout(); */
- goto redoit;
- }
- fprintf(stderr,"errno=%d ",errno);
- perror("accept");
-#endif
- return(0);
- }
-
-/*-
- ling.l_onoff=1;
- ling.l_linger=0;
- i=setsockopt(ret,SOL_SOCKET,SO_LINGER,(char *)&ling,sizeof(ling));
- if (i < 0) { perror("linger"); return(0); }
- i=0;
- i=setsockopt(ret,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
- if (i < 0) { perror("keepalive"); return(0); }
-*/
-
- if (host == NULL) goto end;
-#ifndef BIT_FIELD_LIMITS
- /* I should use WSAAsyncGetHostByName() under windows */
- h1=gethostbyaddr((char *)&from.sin_addr.s_addr,
- sizeof(from.sin_addr.s_addr),AF_INET);
-#else
- h1=gethostbyaddr((char *)&from.sin_addr,
- sizeof(struct in_addr),AF_INET);
-#endif
- if (h1 == NULL)
- {
- BIO_printf(bio_err,"bad gethostbyaddr\n");
- *host=NULL;
- /* return(0); */
- }
- else
- {
- if ((*host=(char *)OPENSSL_malloc(strlen(h1->h_name)+1)) == NULL)
- {
- perror("OPENSSL_malloc");
- closesocket(ret);
- return(0);
- }
- BUF_strlcpy(*host,h1->h_name,strlen(h1->h_name)+1);
-
- h2=GetHostByName(*host);
- if (h2 == NULL)
- {
- BIO_printf(bio_err,"gethostbyname failure\n");
- closesocket(ret);
- return(0);
- }
- if (h2->h_addrtype != AF_INET)
- {
- BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");
- closesocket(ret);
- return(0);
- }
- }
-end:
- *sock=ret;
- return(1);
- }
-
-#ifndef NO_SYS_UN_H
-static int do_accept_unix(int acc_sock, int *sock)
- {
- int ret;
-
- if (!ssl_sock_init()) return(0);
-
-redoit:
- ret=accept(acc_sock, NULL, NULL);
- if (ret == INVALID_SOCKET)
- {
- if (errno == EINTR)
- {
- /*check_timeout(); */
- goto redoit;
- }
- fprintf(stderr,"errno=%d ",errno);
- perror("accept");
- return(0);
- }
-
- *sock=ret;
- return(1);
- }
-#endif
-
-int extract_host_port(char *str, char **host_ptr, unsigned char *ip,
- short *port_ptr)
- {
- char *h,*p;
-
- h=str;
- p=strchr(str,':');
- if (p == NULL)
- {
- BIO_printf(bio_err,"no port defined\n");
- return(0);
- }
- *(p++)='\0';
-
- if ((ip != NULL) && !host_ip(str,ip))
- goto err;
- if (host_ptr != NULL) *host_ptr=h;
-
- if (!extract_port(p,port_ptr))
- goto err;
- return(1);
-err:
- return(0);
- }
-
-static int host_ip(const char *str, unsigned char ip[4])
- {
- unsigned int in[4];
- int i;
-
- if (sscanf(str,"%u.%u.%u.%u",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4)
- {
- for (i=0; i<4; i++)
- if (in[i] > 255)
- {
- BIO_printf(bio_err,"invalid IP address\n");
- goto err;
- }
- ip[0]=in[0];
- ip[1]=in[1];
- ip[2]=in[2];
- ip[3]=in[3];
- }
- else
- { /* do a gethostbyname */
- struct hostent *he;
-
- if (!ssl_sock_init()) return(0);
-
- he=GetHostByName(str);
- if (he == NULL)
- {
- BIO_printf(bio_err,"gethostbyname failure\n");
- goto err;
- }
- if (he->h_addrtype != AF_INET)
- {
- BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");
- return(0);
- }
- ip[0]=he->h_addr_list[0][0];
- ip[1]=he->h_addr_list[0][1];
- ip[2]=he->h_addr_list[0][2];
- ip[3]=he->h_addr_list[0][3];
- }
- return(1);
-err:
- return(0);
- }
-
-int extract_port(const char *str, short *port_ptr)
- {
- int i;
- struct servent *s;
-
- i=atoi(str);
- if (i != 0)
- *port_ptr=(unsigned short)i;
- else
- {
- s=getservbyname(str,"tcp");
- if (s == NULL)
- {
- BIO_printf(bio_err,"getservbyname failure for %s\n",str);
- return(0);
- }
- *port_ptr=ntohs((unsigned short)s->s_port);
- }
- return(1);
- }
-
-#define GHBN_NUM 4
-static struct ghbn_cache_st
- {
- char name[128];
- struct hostent ent;
- unsigned long order;
- } ghbn_cache[GHBN_NUM];
-
-static unsigned long ghbn_hits=0L;
-static unsigned long ghbn_miss=0L;
-
-static struct hostent *GetHostByName(const char *name)
- {
- struct hostent *ret;
- int i,lowi=0;
- unsigned long low= (unsigned long)-1;
-
- for (i=0; i<GHBN_NUM; i++)
- {
- if (low > ghbn_cache[i].order)
- {
- low=ghbn_cache[i].order;
- lowi=i;
- }
- if (ghbn_cache[i].order > 0)
- {
- if (strncmp(name,ghbn_cache[i].name,128) == 0)
- break;
- }
- }
- if (i == GHBN_NUM) /* no hit*/
- {
- ghbn_miss++;
- ret=gethostbyname(name);
- if (ret == NULL) return(NULL);
- /* else add to cache */
- if(strlen(name) < sizeof ghbn_cache[0].name)
- {
- strcpy(ghbn_cache[lowi].name,name);
- memcpy((char *)&(ghbn_cache[lowi].ent),ret,sizeof(struct hostent));
- ghbn_cache[lowi].order=ghbn_miss+ghbn_hits;
- }
- return(ret);
- }
- else
- {
- ghbn_hits++;
- ret= &(ghbn_cache[i].ent);
- ghbn_cache[i].order=ghbn_miss+ghbn_hits;
- return(ret);
- }
- }
-
-#endif